Sneeze
Sneeze
A sneeze (/sniːz/), medically known as sternutation (/ˌstɜːrnjuːˈteɪʃən/), is a semi-autonomous, convulsive expulsion of air from the lungs through the nose and mouth, usually caused by foreign particles irritating the nasal mucosa.
Etymology
The word "sneeze" is believed to have originated from the Old English "fneosan," which is akin to the Old Norse "fnýsa" (to snort) and the Old High German "fniosan."
Process
A sneeze is a powerful, involuntary expulsion of air. Sneezing is caused by irritation to the mucous membranes of the nose or throat. It can be very forceful and can spread disease.
Related Terms
- Allergy: A hypersensitivity disorder of the immune system. Allergic reactions occur when a person's immune system reacts to normally harmless substances in the environment.
- Common Cold: A viral infectious disease of the upper respiratory tract that primarily affects the nose.
- Influenza: An infectious disease caused by an influenza virus. Symptoms can be mild to severe and often include a high fever, runny nose, sore throat, muscle pains, headache, coughing, and feeling tired.
- Rhinitis: Inflammation and swelling of the mucous membrane of the nose, resulting in a runny nose and stuffiness.
- Photic Sneeze Reflex: A condition that causes sneezing in response to numerous stimuli, such as looking at bright lights or periocular (surrounding the eyeball) injection.
External links
- Medical encyclopedia article on Sneeze
- Wikipedia's article - Sneeze
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